Director, Performance Engineering & Test Automation

Stellarus

California (MO)

Hybrid

USD 182,000 - 273,000

Full time

14 days+

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Job summary

Stellarus is seeking a Director of Performance Engineering and Test Automation to lead the strategy and implementation of automated performance and reliability validation. You will partner with developers to define standards, tooling, and expectations for testing across the Stellarus platform, including where AI-assisted engineering tools can improve quality and speed.

You will own the end-to-end testing strategy, build automated systems for performance validation, and lead a high-leverage team

Qualifications

Bachelor’s degree or equivalent with 4+ years of relevant experience.
10 years of software engineering, quality engineering, performance engineering, platform engineering, SRE, or related technical experience.
6 years leading teams or technical programs focused on performance, test automation, reliability, platform quality, or production readiness.
Strong hands-on background building automated test systems, load testing frameworks, performance pipelines, or reliability validation tooling.
Experience testing distributed systems, microservices, APIs, event-driven architectures, and cloud-native applications.
Understanding of latency, throughput, concurrency, queueing, backpressure, retries, caching, database performance, and production failure modes.
Experience with tools such as k6, Gatling, JMeter, Locust, Playwright, Cypress, Jest, Grafana, Prometheus, OpenTelemetry, Datadog, New Relic, Azure Monitor, or similar platforms.
Experience integrating automated tests into CI/CD pipelines and leveraging test results to guide engineering decisions.
Preference for experience applying AI-assisted engineering tools for test generation, analysis, automation, or developer productivity.
Strong understanding of Kubernetes, containers, cloud infrastructure, API gateways, message queues, relational databases, and service observability.
Ability to collaborate with engineers across code, architecture, and operations; experience defining performance benchmarks and production-like environments.
Excellent communication skills and the ability to translate performance signals into practical engineering actions.
Healthcare or regulated-industry platform experience is preferred.

Responsibilities

Build the performance engineering and automated testing function for Stellarus’ cloud-native platform.
Design and implement automated performance, load, stress, soak, regression, and scalability test systems for services and APIs.
Establish automated quality gates in CI/CD so teams get feedback before production-like environments.
Define performance benchmarks, thresholds, release criteria, and escalation paths for regressions.
Collaborate with developers to set standards for testing microservices, APIs, and event-driven workflows.